The Number

18

Eightteen

In Base 14 Quattuordecimal Is

1414

The numbers with a 14 subscript use Base 14 Quattuordecimal notation.

For more familiar numbers: See Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15
1114
Fifteen in Base 14 Quattuordecimal
16
1214
Sixteen in Base 14 Quattuordecimal
17
1314
Seventeen in Base 14 Quattuordecimal
19
1514
Nineteen in Base 14 Quattuordecimal
20
1614
Twenty in Base 14 Quattuordecimal
21
1714
Twenty-One in Base 14 Quattuordecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.8e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0ac6317ac6317ab14

The reciprocal of 18 in Base 14 Quattuordecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 1414 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eightteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 14 Quattuordecimal

A Composite

Composites have more than just these two factors.

Eightteen is a composite number with 6 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eightteen has the following 2 prime factors:

2
214
Two in Base 14 Quattuordecimal
3
314
Three in Base 14 Quattuordecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2141 · 3142 = 1414

Base Conversions

The number eightteen in 35 different bases